Leptolepid otoliths from the Hauterivian (Lower Cretaceous) Lower Weald Clay (southern England)

Joseph T. Flannery Sutherland; Peter A. Austen; Christopher J. Duffin; Michael J. Benton

doi:10.1016/j.pgeola.2017.05.001

Leptolepid otoliths from the Hauterivian (Lower Cretaceous) Lower Weald Clay (southern England)

Joseph T. Flannery Sutherland, Peter A. Austen, Christopher J. Duffin, Michael J. Benton^*

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

1 Citation (Scopus)

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Abstract

Teleostean saccular otoliths from the upper part of the late Hauterivian Lower Weald Clay Formation of the Wealden Supergroup exposed at Langhurstwood Quarry, West Sussex, UK, and Clockhouse Brickworks, Surrey, UK are described for the first time. Two new species of the genus Leptolepis, Leptolepid wealdensis and Leptolepis toyei are described.. Many of the specimens are densely packed on individual bedding planes and they are interpreted as coprocoenotic accumulations. Additional mechanisms of deposition and concentration are discussed, in particular wave action. Ontogenetic series show isometric growth of the otoliths, and some specimens show growth rings on two orders of magnitude.

Original language	English
Number of pages	13
Journal	Proceedings of the Geologists' Association
Early online date	31 May 2017
DOIs	https://doi.org/10.1016/j.pgeola.2017.05.001
Publication status	E-pub ahead of print - 31 May 2017

Keywords

Hauterivian
Teleost
Coprocoenosis
Wealden
Leptolepid
Otolith

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10.1016/j.pgeola.2017.05.001

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@article{cdb6c340050c4470a2f4da42b80298c1,

title = "Leptolepid otoliths from the Hauterivian (Lower Cretaceous) Lower Weald Clay (southern England)",

abstract = "Teleostean saccular otoliths from the upper part of the late Hauterivian Lower Weald Clay Formation of the Wealden Supergroup exposed at Langhurstwood Quarry, West Sussex, UK, and Clockhouse Brickworks, Surrey, UK are described for the first time. Two new species of the genus Leptolepis, Leptolepid wealdensis and Leptolepis toyei are described.. Many of the specimens are densely packed on individual bedding planes and they are interpreted as coprocoenotic accumulations. Additional mechanisms of deposition and concentration are discussed, in particular wave action. Ontogenetic series show isometric growth of the otoliths, and some specimens show growth rings on two orders of magnitude.",

keywords = "Hauterivian, Teleost, Coprocoenosis, Wealden, Leptolepid, Otolith",

author = "{Flannery Sutherland}, {Joseph T.} and Austen, {Peter A.} and Duffin, {Christopher J.} and Benton, {Michael J.}",

year = "2017",

month = may,

day = "31",

doi = "10.1016/j.pgeola.2017.05.001",

language = "English",

journal = "Proceedings of the Geologists' Association",

issn = "0016-7878",

publisher = "Geologists' Association, London",

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TY - JOUR

T1 - Leptolepid otoliths from the Hauterivian (Lower Cretaceous) Lower Weald Clay (southern England)

AU - Flannery Sutherland, Joseph T.

AU - Austen, Peter A.

AU - Duffin, Christopher J.

AU - Benton, Michael J.

PY - 2017/5/31

Y1 - 2017/5/31

N2 - Teleostean saccular otoliths from the upper part of the late Hauterivian Lower Weald Clay Formation of the Wealden Supergroup exposed at Langhurstwood Quarry, West Sussex, UK, and Clockhouse Brickworks, Surrey, UK are described for the first time. Two new species of the genus Leptolepis, Leptolepid wealdensis and Leptolepis toyei are described.. Many of the specimens are densely packed on individual bedding planes and they are interpreted as coprocoenotic accumulations. Additional mechanisms of deposition and concentration are discussed, in particular wave action. Ontogenetic series show isometric growth of the otoliths, and some specimens show growth rings on two orders of magnitude.

AB - Teleostean saccular otoliths from the upper part of the late Hauterivian Lower Weald Clay Formation of the Wealden Supergroup exposed at Langhurstwood Quarry, West Sussex, UK, and Clockhouse Brickworks, Surrey, UK are described for the first time. Two new species of the genus Leptolepis, Leptolepid wealdensis and Leptolepis toyei are described.. Many of the specimens are densely packed on individual bedding planes and they are interpreted as coprocoenotic accumulations. Additional mechanisms of deposition and concentration are discussed, in particular wave action. Ontogenetic series show isometric growth of the otoliths, and some specimens show growth rings on two orders of magnitude.

KW - Hauterivian

KW - Teleost

KW - Coprocoenosis

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KW - Leptolepid

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U2 - 10.1016/j.pgeola.2017.05.001

DO - 10.1016/j.pgeola.2017.05.001

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JF - Proceedings of the Geologists' Association

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